: Figured out the majority of the SURGE
09-15-2004, 12:25 PM
I was testing all possible ideas how to get rid of that annoying surge and all it took were some new spark plugs. I took out the motorcraft ones, and they looked like I put about 70,000 miles on them (I have 18,000). Finally, I put my AEM back on and after warm up there is just slight sign of the surge, but nothing like what was affecting the car before. I still can't believe what the spark plugs looked like, wish I had pictures but I threw them away asap. Platinium's work great.[thumb]
So, what brand/type plugs did you put in?
09-15-2004, 01:10 PM
Heads up, there is a new set of TSB's that have been recently released, I believe I saw one or more related to a surging problem. You might want to take a look.
Heads up, there is a new set of TSB's that have been recently released...
Something new? Newer than the "talked to death" YRF0 reflash?
09-15-2004, 02:48 PM
yeah, there are like 293 tsb's out there.
Bulletin Date: MAY 2004
ROUGH IDLE, LOW POWER AND / OR STALL AT IDLE, A MALFUNCTION INDICATOR LAMP ILLUMINATED AND DIAGNOSTIC TROUBLE CODES P0300 THROUGH P0304 STORED IN MEMORY. *TT
09-15-2004, 03:39 PM
What is a TSB? And if the spark plugs helped a bit, what kind did you use?
09-15-2004, 03:48 PM
TSB....Technical Service Bulliton
09-15-2004, 06:34 PM
Spark plugs will not help most, actually Im very surprised it helped at all. Its a problem with the SVT Focus, and I guess SVT is STILL trying to get it solved. They brought in Microsoft to help with the YRF0, but a lot are still having the problem...maybe they should bring in SCT, they seemed to have it licked.
09-15-2004, 08:27 PM
Microsoft huh...my car must be running on windows..that explains everything
09-16-2004, 09:35 AM
Borsch Platinium Plugs, are what I used and make sure they are gapped tight to .050 because the motorcraft ones were loose to .055 and about a little past.
09-16-2004, 10:42 AM
09-22-2004, 10:38 PM
Why?? I love that sound. That is just a quirk of high performance engines/unrestrictive exhaust systems. Ever been to a race? Racecars do it all the time, every shift, up or down. (But then again, maybe you dont want your street car to sound like a race car. Point taken. Touche [:)] [[;)] )
09-23-2004, 05:22 AM
That poping sound is just your free flowing exhausts low backpressure. I LOVE it, sounds awesome. I used to downshift my Ranger with its Magnalflow exhaust just to hear that sound.
09-23-2004, 09:19 AM
Originally posted by Lupuri
(Supposedly) Superchips Custom Tuning has a pre-made tune for most SVTF's that fixes the surge aswell as the popping on the deceleration. I read this in sport compact when they were building their turbo SVT, a buddy of mine has also confirmed this, but has been to busy to play with my ride. Im gonna give my connection at SVT a call and figure some things out eventualy, starting to piss me off when the car pops when the motor whines down.
SVTF SCT To be released in November (was supposed to be August) apparently... they bipassed (direct programming) when they did that focus, the program is not realeased yet. Can't wait! [thumb]
09-23-2004, 11:04 AM
I had some big time surging on my 04 SVT and when I took it to the dealer they replaced the intake manifold which made a huge difference
the surge is still there but much, much less than before.
I can post the details of exactly what was done when i get home
Own a 2004 that had the surging problem. Read about the TSB concerning the hose clamps at the intake. Tightened them myself and the car runs better than when it was driven off the lot. The car is now enjoyable and easily driven when "cold". Try it, you might like it!
Have found that the "surge" in an '04 model is caused by loose intake couplings at manifold. Tighten those connections and see what you get. There is a TSB to replace the old style style of clamps. Was ready to get rid of this POS until the fix was found.
09-23-2004, 10:59 PM
Where doyou guys find the TSB's?